Overview: For internal tumors, cancer, and leukemia, ingest orally Before the United States enacted cannabis prohibition, tinctures were the main form of cannabis medicine. Cannabis oil tinctures, aka green dragon, are an alcohol based cannabis extracts taken by putting a few drops under your tongue. When taken subligually the arterial blood supply under your tongue rapidly absorbs the THC, but if swallowed with food or drink after cooking, the tincture will be absorbed much slower by your liver. Cannabis tinctures are a great starting point for both recreational and medical users looking to ease into smokeless consumption methods.Increasing your dosage every one or two days. Start with a low dose, about 1/10 or a gram, and work up to a higher dose of 1 full gram. You will be able up your dosage more and more without feeling the psychoactive effects after a few weeks. If you don’t feel effects within 90 minutes take more cannabis oil to find the level you can tolerate and still feel comfortable. Increase the dosage each time you get acclimated to the effects of the current dose.